Auxiliary spring for road-vehicles.



AUXILIARY SPRING FOR ROAD VEHICLES. APPLICATION FILED MAR'. 10. 19w.

"1,260,488. Patented Mar. 26,1918..

j Gnome" fn vomnr, orsan FRANCISCO, CALIFORNIA." Y j AUXILIARY srnme non ROAD-VEHICLES.-

1 1 .Specificaltioniof Letters Patent f Patnted 1918, V i 1 1 Application filedMarch 10,1917. seria11wo.-15a;91o. i

it i v a front[side-elevation of the e it knownthatI, GnoncnFpYorerrr, present'invention, showing it applied to the tizcn ot ,thegUnited States,residing at axle of the vehicle. y a n V V 1 an-Francisco, in the, county of Sanl ranev Like numeralsdesignate like parts through- I 5';- 'cisco.and State of; Calitornimhave invented out theseveral views and figures. 7 ajn'ew anduse'ful Improvement in Auxiliary 7 I is a rear right-hand Wheel of a vehicle, 1Springsl; fon-Road-Yehicles, of which the supporting an axle 2' and itsfhousingfi and ,rfollowing isj'a specification; r 7 in housing flange 4 The flange 4 and housing "My invention relates :to improvements in 3 are unitary and; non m'ovable relative to uxiliary springs'for' road vehicles. 7 the running gear frame, Bis a brakedrum- 1- It has for one object toiprovidea uset'ul rigidly secured t0. the inner; side. of 'the andfiimpfroved form of auxiliary springs Wheel 1, and in close relation to the fiange which may be planed in series vviththe Extending through the PPQ TP Q h :i;' principalleaf-spring suspension,- andwhich flange' i, and; centrally above'the a-Xle 2,,is :Q .15 '}W il1 'co6perate,in suspending and cushioning an opening .4. Into the opening is dis- I-the" vehicle; Another object is to provide posed the outer end 6 of a springhanger fl'm such an auxiliary springvvhich may be more Which hanger isfrigidly. secured to said flexible and more quickly responsive than is flange 4 by means of nut 8 threadedly' Y 1;; the-principal leaf-spring. ,f V l 1 engaging :the outer'portionof-the end-;6. 1 2b With the foregoing and other objects in The hanger 7 has in innerportion 9, extendviewqvhich Will'appear-as the description ing. inwardly centrally above-and approxi- .:proceeds,,theinventionresidesjin thecommately in line'with the outer portion of the bination and arrangement.;-eff{parts,and;in pr ncipal leaf spr1ngv-lQ',.-and" alsoin line he "detail ofjconstruction hereinafter de-' "with the axle 2 and its housing; 3.,qflhe it" v 25fTscribed a'ndlclaimed, it being understood that inner end of the inner portion 9 of the 7 L changes infthe precise-{embodiment of the hanger 7 is rabbeted out, at its; upper side, 'i'invfiention'{herein-{disclosed can be made forming a reduced portion 11. Upon; said Within the scop'ejofwhatis claimed'tvithout reduced; portion 11,. and. fitting into said departingifrom fthespirit of the invention. rabbet, is securedan insert member 1.1%. 7 i Qi The invention is illustrated in the 'accom- The insertmember llt-is provided .Witha anying dravvings, Wherein V suitable central opening extending down- Eigure;;1 is a rear: end elevation of the Wardly through trom'its "upper" sideiand 7 right-hand side-ofian automobile, including registerswith a like openingextending-down ga portion ofthe' automobile body, portion through the reduced portionll. {Into said 35:"ofrearprincipal leat-spring, the rear rightopenings is" disposed a suitable; clamping hand-Wheel, aportion'of rear aXle'housing, bolt 12, Which bolt has a nut" 13,.Q'Upon [and arear side View Fot the presentinventhe upper side of the reducedpiortion 11, Y .tion jassembledtherewith; are out .two arcuated groovesilfl swhich 'Fi'g. 2 is a rear side sectional view of the grooves parallel each other and extend 1011- j" Q; invention, and'a portionof the rearpringitudinally With theinner portion 9 a suite cipalllea'f spring, showing also a small por able distance and terminatein tivodoyvntion ofthe'exle(housing, a portion of the 'Wardly extendingopenings '15 in said re: ,gxle-qhousing flange, and a portion of the duced portion 11. Into the lower sideof axle; 1 1 y p the insert member ll -are cut two grooves i Fig.3'isa topavieW -ofthe invention. 16 registering With the aforesaid grooves,

on'l of theinventiontaken on line 13-13, position in the ra'bb'et, the grooves ltw vill'.

Fig, '7 form the lovverportionsand the grooves 16 0 ortionef the-present:inventiontaken on ings, terminating in I thefaforesaid' down-j ne- A AjFigl ,3," portions being broken Wardly extending openings 15. {17- desig- 105 way 'iy-f'i" 5 1 V. nates the supporting arms, 18=the yoke, 19

F;ig ,6 iswa-vie v?ofjportionsg of the inventhe coupling eyes, 20 the coils, and 21, the

.Fig. 4: isafsectional end view of a por so that when the insert 11 is secured in its .7 j

isa sectional r'ear sideview of a the upper portions, of tWocylin'drical-opens certain portionsbeing shoWn in-section. securing-arms, ofan;auxiliarylspring icon;

" pied 1 p with ne end Qfthe rincipal, leaf sprin' 110, by; means of 'at conh'ecting shackle 22; As a matteriro f convenience inrefer- 7 ring to the several, seetl qi s a i h u h u th sresifi e tiee we v the claims, hev (le sigiiateicl a-sthe'inner sectio n j th e, suppprtingigari is 17 as the outer,

far butwaraiy extendin sec-men; arid the ceilsas theintermediate:setiom'l "The auxiliary spring pertiens of the arms 7 and h are disposed in *is intende cljithati the s ei ingjarnis 21- shall 20*berigidlysecured: tq the hanger x y the-e e 19 :is' 'dispose'd a tie piece23preuvitledl with a transverse Opening in} xi h-iCh ee es the upp'erpiivoe in 0f the sh'aekle 12" 25fi desigriates the lower PiVOt- Pi'IljfOf fthe shackle;a dqispagsea into -the'ieye in theindad itheispring I0; Thefsai d' piw t pi is' being" rotatable Within theil respective bearings?- Flhei t' 43o 'ipres sedxdut'iof and is previded v.35 encircling thefsaid 'arms. Theifuncti onsdf" ftheextehsion261a d it's tefigiifes 27'; are to k ep thetie piecef 23 itr'qrrij retating within 7 th'eQeyQs'JIQ and tQ'keep-thearms1T sp ced '-a"pr0p'er distan'ee apart- The eXteIi si01r2'6 also "acts-iii thecapaeity bf; a: back step for Q the movement (it the arms 17, L as wheiiithe'lbad u on the auxiliary springis removed; the" ii'orihaltensi'oi' "(if t e'Fau-Xil- I .iary spring w-fl-kc'ause' the enter ha of the :4 5 V armsl'7 to ih ove-iipw'ardlyimtil' fihe exten- "'sion "26' bears against the" undgersicleyq'f; the f 'hange'r 7; "The outer ends otfth e arms-17 arej'oined together @by theyoke lSfi hi-Qh y ke-{straddles'the} hanger'frem the upper side th reof. I prefer to make the yoke a ifilit with the arms 1;? and the jibe made as a "separatelunit supported in p some suitable maimer "either by thesa-id arms step limiting-the clpw warc' l inm 'elrfeht it 7 i IZJ'iIiWVhiCh Case the upper cross section of-the 'yokeje ga the upper o'f Ieoils "2 0" i tojprovicle the "proper 1 flexibility.

V entirlyg aficl he ringmadeout of; 11; 0011 1 .65 iparat'i vely s raight: member witlh its? inn r hanger; and *its Outer end: secured to the een'necting shackle mpr in th '5 auxiliary spring; the seemin arms; 21 will" 'necte'd ii iftviththireht axle of a'vehie l in which case-one; end of the hanger- 7 is}; I

oi the axle-1* I'The free end of the hanger, & V gyieldingly supports one Je'iid pram principal leaf-spring; ylhef free f '"h'ds 611:the'- se'ci1rin "arms; 21- a-re str i'ck H I downwardly at "right anglesiwith 'the main 1 15,

'the;0peni1igs- 15; While the'saidjihainfpQr' I f tibnsmr the arlfis are disposed, iir'the open f ri i f y grooves le'andfle. It Vith-ih ,'-the v Fig; 7,1. shall re-fer tjoifithe c'laims n s seure'd' a bushing 24, 'which1bushi1 g re- '-piece" 23 is; preferably and ends farthestifrehrt @IrelziimT-Q j v 9,1 Thez-combinatibn' with'anaxleassei spring ha end fixedly secured m a porti'dnv f. th g l H f thei'hangeri' =Thefali iiihary.spi-ing icai' i' be provided With any suitable number the hanger, an.intermediate'eoilecl' 'Ai d ifdesiredfthe cpils 20 can;'lie-eliminateding oiitwa'rdly below the inner A V theghang'er, the dutw vardl y I exte'ndirlgi 'sec- ,v--

ti ori being "provided with means engageableif v end secured to the inner portiorr I seeurtl ili'an opiiing v extending vertically l through the aXle'Q betWeen the outer end i or" the'priiicipal leaf spring 10 a'ricl'the end v l V V l I A 1 WithQthe, outer and 'O'ffth'eprim ialleaf spring in the same-manner as shbwii an f 7 described $01: the principalleaf-spring;- 7 3 h I [The assembled fpa'rtsf desig iated-" by the numerals 2, 3, and l; Figs; 1' a 'ntlf 2,1 'aiiii part designated} by the" nu eral. '2 in theaxlej-assemblyL 7 h Throughout the spefiifiicati o amt the a claims hereinafterfolloi vin g inwardglgvim d-i'cates a directi 'on from the 1Wheel'"'tbf the'V QO vehicle,

body of the and outward-1y inds r .cates'ra 'di-rectienlopposite to" said first-men tioiled direction; and in ,connection the auxiliary"spring'and thespring' hanger, 1 oiuter portions, uter section's ah'tlbuterj eht'i's' v. .h'ah extension "26'- ver lying the outer ends offthe supporting} arms" "17 adjacent i the 1 eyes '19, and; thefextelisioii 26- 1 isprovided" W'th xarcu'ated tqhg'ues :27

indicate portiens; "sections:

tieri sjandjfehd'sf indicate portions, sect-ions; V

he'whe el. 1 -f lloow-f to sald aXle-assemb'lyaifl its inner'pertiofif I of- 11163118 carried by said auxiliary spring a tolimitits downward movement, the means 7 V en'ibqdymg ayo'ke like member'straddl in'g the hanger'from the upper slde thelieo'fjanfl j" adapted toengage therewith." s' 5 2. A spring suspension for-"roadi'*e hic le's,

comprising an axle assembly, "apriiicipia l leaf. spring, an auxiliary spring, pivoted "f e a;

connection between said 'sprii1='gs, ahdf a nger, the hanger having its outer? 12 0 assemblyand its inner portiohlover-harigmgf the oiiterend ot'the priiicipal; leaf sprihgi; the auxiliary spring having"'anflinher" tienv rigidly secured to the "inner'fportion of a section and an outwardly extend-ihgfsebtien' eirtimt v theilpperlsidefofthe -hanger to? liinit hanger "and'by which ineaiis: said hanger h dow Ward'fmoiiem'ntgof'thegsaid 'secsupports jsaid auxiliary spring, the :outer io i endfoftheouter-sectionkbeing coupled-to sp'ring suspension for road vehicles, V tthe outer end of said principal leaf spring 7 ersefleaffspringgan auxiliary. spring, by the said outer end of said principal leaf pivoted connectionl'loetween.Etheouter ends spring is yieldinglyisupported by said auxd'rjspringg nd aspring hanger, the iliary spring, the said outer section being ngeri havingian outerqportion rigidly,seprovided with alyoke adaptedt'o straddle a. curedito a1portion ofithe xle assembly and portion' of saidfhanger andzengageable' .75 an 'nnerportionextendingsinirvardlyr a'suit: Qtherewith for limiting the downward; inoveablefdis tarrcef andfovenhangingithe outer "ment .ofthe springs. ofiatheiprincipal .-spring, the auxiliary .6; A road vehiclespring,suspensionicom-- isection frigidly'seprising an axle-assembly, a p'rin'cipal leaf rt H v ;tion of 'thehanger, spring,,a',spring-hangerxhavingga'fixed.end '80 d2; an lintermediate co'led section and an supported-by the axle assemblywand its free outwardly extendinggsection,the outwardly -end ovnhangin'gthe outer end of-the prin--, extending .section i-havi'ngits outer end cou- ,-cipal leaf spring, an auxiliary spring having pled tov oneiendiof said pivoted connection, a fixed .end'j supported bythe spring hanger V fidyineansicarriedby saidlast mentioned and its freeiend supporting aflpivotipin, a- 85 ct'ionand dapted to-engagela portion of connectionvbetween the pivot pinand outer :said hangerxfor' limiting the[ downward end of, the principal leaf spring, and means "oveinentjoi-fsaid-section i .s 2 V supported by' the -freeend of .the auxiliary l 1,3As ring suspension-gforiroad vehicles, spring engageable with th'e-hangerfor lim- T 15 omprisinggzan axle5as'se1nbly',ea principal iting the. downwardmovement offs'aid free -90 rans'verse'leaf-spring, anauxiliary spring, end. I 2 ipivot edjconnection between the 'outer en'ds *7. A road vehicle spring .suspensioncoinftsztidispririgs, and :a 'springhanger, the prising) an axle=assembly, a: principal leaf anger havinganlo ter? end rigidly. secured spring, a nonflexiblesprng.hanger having; V V

f'ifi o-lt d a suitable portionl ofisaid axle-assembly afixed 'endf-rigidly-i. supported bythe axle-95 nd an 1 inner portion; extending f inwardly -;assembly between theouterbend of the axle-I 7 suitablejjdistance and:;.-oyei-:hanging the assembly and theoutergend o'fcthe principal If iuterjendffofthe"principallspring, theauxih leaf spring and its free 'endToveri-han'ging' ary' s'pring embodyinga'apair;of .arms. com-. 'the outer end of theiprincipal leaf spring,

prising "an paxlerasseinbly; a principal .loy meansfo'f saldpivoted connection, Where- '70 V tc'ally;disp'osed: coils comprising;its.interme --portedloy thespring hangeranditsfi'ee end diate sectionfandza p 'irfof outwardly ex- 'supportingfaloearing'sleeve,ia' pivot pin. dis

nding farms;- comprising. its outer section, posed in the-bearing sleeve, ,a,connectionbe: theflast nientionedfa'rms;being ilongerthan itw een'the';pivot pin Ia'ndQthe outer end of" dto the inner pop ported 'by the free end ofgthe: auxiliary V d-theouter'section be: springengageable with the spring hanger (ii-pal? lleaispring by .;mans-o the "said free end.-

Videdtwithlmeaiisfadaptedto:engagethe .prisingf an aX-le-assembly, aprincipal ileaf ppeni'sideiof thejha'n'ger" so. as to limitithe spring, a non-flexible spring hanger having ldownwardrmovementfofthesaid section; a fixed end rigidly supported by the axle:

ansyerfse-fl'eafspring;anauxiliaryc 'sprlng, its free-end:over-hanging'said'outerendiof "i'voted conne,ctionfibetweenthe outer-Lends the. principal :leaf' spring, an auxiliary 'ardly, extending {portion over-hanging vided withahorizontal.opening,. a p n disheriiouteriend .offthe -prlncipal spring.- and posed n -sa dopening, link connectioa b e xtending ina general ,linehtherewith, the tweenthe P111; and the outerendxof the print 1o "andfa seriesaoficoils iertically disposed or the auxiliary spring; the nieans e'mbodye otyrelat ely ;longarrns'comprisingits gadapt'ed tor- Straddl ng the" spring han s i n; thei's rin s c g "f omthe-up e id jthereet-eeiv ew r he1an o t w ith e -;e e l wi eser e se g 'e':firs j mentioned;..arms,fthesaid inner sec- 7 the principal leaf; spring, and "means sup= I05 5 Qllylcoupledjto thez outerend,-of'thei to. limit the downward inoven ent ofs said pivoted lconnection, theouter sectionfrbeing 8. ALroad-vehicle'springlsuspension corn 1'10: g V

U QiA- springl suspension for road yehicles, assembly between the outer ,end oftheprin-V K V 0 'com prising; an 5 axle-assembly, aprincipal cipalleafspringand the vehicle-'Wheel'and 11 15 i'd twoisprings 'fiand a, spring hanger, spring having a fixed end. support db jth angerlbeingl rigidly supported by said spring hanger adjacent the latter7s-freeencl 4 isle-assembly and ing; provided with an anditsifreeend supporting; abearing pro: 12o;

uxiliar-yispring ernb'odyingSa pair-oi relacipal leafg spring, and-means} for zlimitingi-i elygishort arms-icomprising itsjinne'r secthe downward movem t o the i free 'endiwm 1 mprisilng" finterrnediatel section1and a ingaiyoke vcarried byrthe'auxiliary Lspring T qi i-xi e if 1,260,488 7 Vi V 5."

the outer end 'of the principal leaf coiled section, the axis of the coils forming v: spr'ingl V saidqcoiled section being horizontally disesprlngsuspension forroad vehicles posed, a ccnnectionbetween the coiled sec ompr s ng an axle-assembly, a principal 'tion and the free end ofthe spring hanger, eat spr ng disposedabove the axle-assembly an'arm or lever extending outwardly from df'e'xtendingin ageneral' direction theresaid coiled. section and approximately at w th, aspring hangerhaving oneend supright angles with the axis of the coils, the ported ;by the axle-assembly between the tree end of said armor lever being'normally. outenend ofthe latter and the outer end held'against rotation about the axis'of the f thekprincipal "spring and its free end coils by the tension ofthe latter, a link contending. "above the outer end of said nection between the free end of'the armor spring a'ncgauxiliar' Lspring comprising a lever and the outer end of the'principalleaf 7 5 coiled: section supported by the spring, and means carried'by' said arm or I spring hanger adjacent the latters free end lever engageable with the spring hanger for and an outwardly extending arm having one limiting the downward movements of said end supported by the coiledseotion and its arm or lever. 7 v V f 'freeend supporting a bearing sleeve, a pivot. 18.7 A road vehicle spring suspension com- 1 q pin di'sposed in'the-sleeve, and a link connecprising an axleassembly, a principal leaf 7 j 1." tiongbetween'the pivot pin and the outer end spring, a spring hanger having a fixed end 0; ottheprin'c'ipal leaf spring, the'axis of the supported by the axle-assembly an auxeoi ls comprising the coiled section'extending iliary spring embodying a pair of coil units V iniaj horizontal direction and transversely having each an outwardly extending arm or relative to the principallleaf spring. 7 lever, said arms or levers extending approxi- L 16JA'road vehicle spring suspension commately atright angles with the axis of the V i f sp ring disposed above the axle-assembly and tally disposed, a connection between the coilextending in a' general direction therewith, units and the spring hanger, said connection .90 a spring hanger having-one end supported being such that said coil units will'normally bythe axle-assembly between the outer end support said arms or levers in outwardly ex- 7 of theflatter and the outer end of said spring tending positions, said arms or levers being 'andi'its free end extending above the outer rotatable upon the axis of the coils against ndlof said spring, an auxiliary spring comthe tension of the latter, a pivot pin supv rising a pairof flexible coiled sections and ported by the free ends of said arms or afpairof arms'extending outwardly from levers, the axis of said pivot pin being dis- {the coiled sections, the coiled sections and posed parallel with the axis of the coils, a the'arms being disposed side by side relative link connection between the pivot pin and ported by the spring hanger: adjacent the and means carried by said arms or levers ajY-free end ofthe latter, theaxis of the coils engageable with said spring hanger for 1 comprisingthe coiled sections being in alinelimiting the downward movements of said ment with each" 'ther and extending in a arms or levers.

*horizontaldirection and transversely rela- 19. A road vehicle spring suspension com iveito the principal leaf spring, the arms prising an axle-assembly, a principal leaf extending outwardly from the coils and in spring, a spring'hanger, the spring hanger a at general direction with the outer ends of having a fixed end supported by the axle:

Itheprincipal leaf spring, a pivotedfconnecassembly and its free end overhanging the prising'an axle-assembly,a'principal leaf coils, said axis of the coils being horizon- "to'ieach other, the coiled sections being sup-- the outer end of the 'prmcipal leaf spring, I100 V i i itionibetween the free'endsof thearms and outer end of the principal leaf spring, an

the outer end of. the principal leaf spring, auxiliary spring supported by said spring the axis of the coils forming in a general hanger adjacent its free end, the auxiliary lway thepirotal-axisof one end of the arms springcomprising a series of flexible, coils and the outerorItree-ends of the arms are having a common axis,-said.axis being horiheld yieldingly'against rotation'inone dizontallydisposed, two of the coils being motion bythe tension'of thecoils, the arformed intotwo outwardly extending arms Trangement being-such that the auxiliary or levers disposed approximatelyat' right I eosp'ring yieldin'gly supports the outer end of angles to the axis of said coils,said arms or f ii the'prineipalileaf spring. 1 levers being rotatable downwardly about the r 171 Aroad vehicle spring suspension comaxis of said coils against the tension of the i fgprising; an axlef'assembly, aprincipal leaf latter, a link connectionbetween the free V i J'spring, a. spring hanger having a fixed end "ends of said arms or' levers and the outer isupported by theaxle-assembly between the end of the principal leaf spring, and means diof thelatter and the outer-end'of for limiting the downward movements of I outer en the-principal leaf spring, an auxiliarysaid arms orlevers. 7 i q spring the auxiliary-spring embodying a GEORGEF. VOIGHT. o

ipatent'nlay'be obtainefl. man cents each, by addressing the Commissioner or Patents, f' washingtomlkc." Y 

